endemic species
A species native and restricted to a particular geographic region. Used in ecology and conservation contexts.
Many endemic species inhabit the Galapagos Islands.
A law was enacted to protect the island's endemic species.
外来種 are introduced species not native to the area, the opposite of endemic species.
Compound of 固有 (こゆう, 'inherent, peculiar to') and 種 (しゅ, 'species'). The term is a direct calque from Western biological terminology.